package zhu.yu.OOP.practice;

public class Demo1Person {
    public static void main(String[] args) {
        Person person = new Person();
        person.name = "zhu";
        person.sayHello("yu");
        System.out.println(person);  // zhu.yu.OOP.practice.Person@7f63425a
        // person 调用了 方法，所有 person就是 this
    }
}
